Bio 220W Exam 1

Front 1

Allen's rule says that ____ is dependent on latitude and ____ as you go north.

Back 1

limb length, decreases

Front 2

Bergman's rule says that ____ is dependent on latitude and ____ as you go north

Back 2

body size, increases

Front 3

The closer an area is to the poles, the ____ the angle of the sun's rays to the earth's surface.

Back 3

smaller

Front 4

____ are self-feeding and ____ are other-feeders.

Back 4

autotrophs, heterotrophs

Front 5

___ production is by aututrophs and ___ production is by heterotrophs.

Back 5

primary, secondary

Front 6

There is ___ energy available at each link of a food chain. This is because energy is used to perform ___, ___, and ___.

Back 6

less, work, respiration, lost as heat

Front 7

Organisms in a food web are divided according to ______. These include primary producer, primary consumers, and secondary consumers.

Back 7

trophic levels

Front 8

A ____ is a group of individuals of the same species living together in an area, potentially interbreeding.

Back 8

population

Front 9

Populations vary greatly in density according to ___, ___, and ___.

Back 9

location, season, year

Front 10

Size of population oscillates around a level known as ______.

Back 10

carrying capacity

Front 11

The sum of populations of various species living in a given biotope is a ____.

Back 11

community

Front 12

The weight of living organisms per unit area is called the ____.

Back 12

biomass

Front 13

Where a species lives is known as its ____, and can be divided into different types.

Back 13

habitat

Front 14

Habitat is not the same as a ____. This includes not only where an organism lives, but also its function in the ecosystem.

Back 14

niche

Front 15

The combination of animal and plant communities, and their physical surroundings, is the ____.

Back 15

ecosystem

Front 16

A ___ecosystem is on land, a ___ ecosystem is in fresh water, and a ___ecosystem is in sea water.

Back 16

terrestrial, limnic, marine

Front 17

Species diversity is greatest in the ___ and declines as you move toward the ___. This is because the stratified, or layered, ecosystem of lush tree growth creates lots of living space.

Back 17

tropics, poles

Front 18

The number of individuals per species is generally higher at the ___.

Back 18

poles

Front 19

____ are distinguished by their predominant plants and particular climate.

Back 19

biomes

Front 20

There are ___ air circulation cells on each side of the equator. This creates major deserts at __ degrees N/S.

Back 20

three, 30

Front 21

The ____ effect causes apparent deflection of winds. The earth rotates from ____. The ____ occur at the equator, ____ occur at 30 degrees, and ____occur past 60 degrees at the poles.

Back 21

coriolis, east to west, tradewinds, westerlies, polar easterlies

Front 22

Adequate moisture for plant growth when ___ is above ___.

Back 22

precipitation, temperature

Front 23

Flux in soil structure due to ___, ___, and ___.

Back 23

climate, organisms, topography

Front 24

The ___ soil horizon contains organic material. The ___ contains mineral soil with some mixed organic material. The ___ is the deposition horizon and contains materials leached from A and may for distinct banding patterns. The ___ horizon contains weathered parent material and includes rock fragments and lies on bedrock.

Back 24

O, A, B, C